Combining coherent technology with incoherent technology, the method can increase the number of image pixels, and therefore improve the spatial resolution of PMMW multi-beam imaging.
该方法将相干和非相干技术进行有效融合，能增加PMMW多波束成像像素，提高成像分辨率。
Since off-axis wander results in images which have astigmatism when the prism is placed in a converging beam, Glan types have slightly better imaging qualities than Nicla types.
因为当棱镜置于会聚光束中时，离轴漂移造成有像散的像，格兰型棱镜的成像质量比尼·科尔型略好。
Helium ion microscopy (HIM) offers the highest spatial resolution surface imaging of any scanning beam method, as well as extremely high surface sensitivity.
氦离子显微镜能够提供所有扫描射线法中最高空间分辨率的表面图像，以及极高的表面灵敏度。
Dual-energy CT has also been shown to allow for improvements in image quality and reduction in artifacts such as beam hardening that have traditionally limited CT perfusion imaging(101).
双能CT也已被证明能够改进图像质量和减少伪影如射线硬化等在CT灌注成像方面的传统局限性（101）。
The digital beam forming technique can improve the contrast, lateral and axial resolution of ultrasound imaging equipment.
数字声束形成技术可以提高超声成像设备的对比分辨力、横向和纵向分辨力。
Phase contrast imaging which is based on the wave character of neutron beam, is an advanced technique in neutron imaging field.
相衬成像是中子成像领域内的前沿技术，它的成像机理基于中子束的波动性。
Comparison of the focusing results of a hot atomic beam with a monochromatic cold atomic beam shows that the main factor affecting the imaging quality of the magnetic lens is chromatic aberration.
在比较了热原子束和单色冷原子束的会聚效果后得出结论：影响它成像的主要因素是色差。
Beam coherent combination of two photonic crystal fiber (PCF) lasers is experimentally studied by using self-imaging resonator technique, and phase-locking of the two PCF lasers is achieved.
利用自成像腔技术进行光子晶体光纤(PCF)激光器光束相干合成的实验研究，实现了两光子晶体光纤激光器的相位锁定。
The beam waist of the laser pulses after the focusing lens is measured by imaging method.
激光光束在聚焦透镜后的束腰半径可以由成像方法测得。
The paper provides the reference for system design and further studying on imaging algorithm of displaced phase centers multiple azimuth beam SAR.
本文为系统设计和进一步研究天线相位中心偏移方位多波束系统的成像处理方法提供了参考。
An imaging system of pattern generator was designed to correct linear distortion of scanning field of ane-beam lithography system, which was composed of both hardware and software.
为实现电子束曝光机扫描场的线性畸变校正，设计了图形发生器的成像系统，该系统包括硬件和软件两部分。
The divergence Angle of light beam was measured with the method of CCD imaging and computed by second moment method.
通过CCD成像方法对准直后的光束发散角进行了测量，利用二阶矩算法计算出光束发散角。
Main task of this dissertation is designing a multi-beam lens antenna to both improve the resolution and reduce the imaging time of the passive millimeter-wave imaging system.
本文的主要任务是针对提高毫米波无源成像系统的分辨率和减小成像时间而设计一个多波束透镜天线。
In this thesis, two key-techniques of high-resolution imaging sonar are studied: beam-forming and acoustical image processing.
论文对高分辨率成像声纳的两个关键技术：波束形成技术和水声图像处理技术进行了研究。
In order to improve the quality of vertical seismic profile (VSP) imaging, the Gaussian-beam migration (GBM) was applied to VSP for the first time.
为了提高垂直地震剖面(VSP)成像质量，首次将高斯束偏移方法应用于VSP观测系统。
With the 4W1A beam at Beijing SR Facility (BSRF), the diffraction enhanced imaging(DEI)was applied to image sample tissues of liver and kidney. Results were compared with pathological findings.
在北京同步辐射装置（BSRF）的4W1A束线上，使用衍射增强技术（DEI）对肝、肾等组织进行成像，部分结果与病理结果进行对照；
The beam delivery system is optimized and simulated and its optical path and imaging quality diagrams are plotted.
对导光系统进行了优化和模拟，给出了导光系统的光路图及成像质量图。
The main steps of specimen preparation and the imaging conditions of beam tilt method were given.
着重叙述和讨论了样品制备的主要环节和倾斜照明法的成象条件。
The effects of the optical beam width and cladding on imaging are analysed.
分析了光束束宽和包层对成像的影响。
Based on the principles that lateral offset-focus feed makes the antenna pattern deflect an angle, the multi-beam antenna can be used in passive imaging system.
本文首先分析了焦平面阵列馈源横向偏焦产生多波束的原理，并采用面电流法对偏焦抛物面天线方向图进行了编程计算。
Ray beam effective width of Xray Imaging system is an important parameter to evaluate the resolution of system.
射线成像系统的射线有效宽度是评定系统成像分辨率的重要成像指标。
Thus the imaging quality of laser beam is improved after color mixing of optical fiber.
从而能提高激光经光纤混色后的光束成象质量。
A novel binary optical element, which has the functions of filtering, beam-splitting and imaging, is designed and fabricated.
本文利用微光学技术设计并研制了一种同时具有滤波、分束和成象功能的二元光学全互连器件。
Volume holographic grating, used as a volume holographic imaging lens in the imaging system, is recorded via illuminating the recording medium with a spherical signal beam and a plane reference beam.
体全息光栅由球面信号光波和平面参考光波干涉记录，并以原信号光作为探测光波进行成像。
The direct volume imaging (DVI) means the reconstruction of volume data from a series of cone beam X ray 2d projections.
对由锥形束x线投影重建体积数据的直接体积成像方法进行了理论研究。
If a monocentric system existed for which an incident collimated beam emerged as exactly collimated, then the system would give geometrically perfect imaging of any point in space.
当入射光束与出射光束平行时，单色同心光学系统空间任一点成几何理想像。
The axcion can produce a non-diffracting beam, and it is used to extend depth of field of optical imaging system, and the theorem of this method is analyzed in this paper.
利用轴锥镜能产生无衍射光的特性，分析了将其应用到成像系统中增大景深的原理。
Nodular defects, which are in critical state of damage, are cross-sectioned by focusing on the ion beam and by imaging using a field emission scanning electron microscope.
采用聚焦离子束和场发射扫描电镜对处于临界破坏状态的节瘤缺陷做剖面分析和观察。
Axial resolution in optical coherence tomography (OCT) imaging is determined by the coherence length of light source and the beam-focusing condition.
其轴向分辨率由光源带宽和探测光束的聚焦条件共同决定。
Axial resolution in optical coherence tomography (OCT) imaging is determined by the coherence length of light source and the beam-focusing condition.
其轴向分辨率由光源带宽和探测光束的聚焦条件共同决定。
应用推荐